kernel/include/linux/mfd/wm8350/gpio.h

   1 /*
   2  * gpio.h  --  GPIO Driver for Wolfson WM8350 PMIC
   3  *
   4  * Copyright 2007 Wolfson Microelectronics PLC
   5  *
   6  *  This program is free software; you can redistribute  it and/or modify it
   7  *  under  the terms of  the GNU General  Public License as published by the
   8  *  Free Software Foundation;  either version 2 of the  License, or (at your
   9  *  option) any later version.
  10  *
  11  */
  12
  13 #ifndef __LINUX_MFD_WM8350_GPIO_H_
  14 #define __LINUX_MFD_WM8350_GPIO_H_
  15
  16 #include <linux/platform_device.h>
  17
  18 /*
  19  * GPIO Registers.
  20  */
  21 #define WM8350_GPIO_DEBOUNCE                    0x80
  22 #define WM8350_GPIO_PIN_PULL_UP_CONTROL         0x81
  23 #define WM8350_GPIO_PULL_DOWN_CONTROL           0x82
  24 #define WM8350_GPIO_INT_MODE                    0x83
  25 #define WM8350_GPIO_CONTROL                     0x85
  26 #define WM8350_GPIO_CONFIGURATION_I_O           0x86
  27 #define WM8350_GPIO_PIN_POLARITY_TYPE           0x87
  28 #define WM8350_GPIO_FUNCTION_SELECT_1           0x8C
  29 #define WM8350_GPIO_FUNCTION_SELECT_2           0x8D
  30 #define WM8350_GPIO_FUNCTION_SELECT_3           0x8E
  31 #define WM8350_GPIO_FUNCTION_SELECT_4           0x8F
  32 #define WM8350_GPIO_LEVEL                       0xE6
  33
  34 /*
  35  * GPIO Functions
  36  */
  37 #define WM8350_GPIO0_GPIO_IN                    0x0
  38 #define WM8350_GPIO0_GPIO_OUT                   0x0
  39 #define WM8350_GPIO0_PWR_ON_IN                  0x1
  40 #define WM8350_GPIO0_PWR_ON_OUT                 0x1
  41 #define WM8350_GPIO0_LDO_EN_IN                  0x2
  42 #define WM8350_GPIO0_VRTC_OUT                   0x2
  43 #define WM8350_GPIO0_LPWR1_IN                   0x3
  44 #define WM8350_GPIO0_POR_B_OUT                  0x3
  45
  46 #define WM8350_GPIO1_GPIO_IN                    0x0
  47 #define WM8350_GPIO1_GPIO_OUT                   0x0
  48 #define WM8350_GPIO1_PWR_ON_IN                  0x1
  49 #define WM8350_GPIO1_DO_CONF_OUT                0x1
  50 #define WM8350_GPIO1_LDO_EN_IN                  0x2
  51 #define WM8350_GPIO1_RESET_OUT                  0x2
  52 #define WM8350_GPIO1_LPWR2_IN                   0x3
  53 #define WM8350_GPIO1_MEMRST_OUT                 0x3
  54
  55 #define WM8350_GPIO2_GPIO_IN                    0x0
  56 #define WM8350_GPIO2_GPIO_OUT                   0x0
  57 #define WM8350_GPIO2_PWR_ON_IN                  0x1
  58 #define WM8350_GPIO2_PWR_ON_OUT                 0x1
  59 #define WM8350_GPIO2_WAKE_UP_IN                 0x2
  60 #define WM8350_GPIO2_VRTC_OUT                   0x2
  61 #define WM8350_GPIO2_32KHZ_IN                   0x3
  62 #define WM8350_GPIO2_32KHZ_OUT                  0x3
  63
  64 #define WM8350_GPIO3_GPIO_IN                    0x0
  65 #define WM8350_GPIO3_GPIO_OUT                   0x0
  66 #define WM8350_GPIO3_PWR_ON_IN                  0x1
  67 #define WM8350_GPIO3_P_CLK_OUT                  0x1
  68 #define WM8350_GPIO3_LDO_EN_IN                  0x2
  69 #define WM8350_GPIO3_VRTC_OUT                   0x2
  70 #define WM8350_GPIO3_PWR_OFF_IN                 0x3
  71 #define WM8350_GPIO3_32KHZ_OUT                  0x3
  72
  73 #define WM8350_GPIO4_GPIO_IN                    0x0
  74 #define WM8350_GPIO4_GPIO_OUT                   0x0
  75 #define WM8350_GPIO4_MR_IN                      0x1
  76 #define WM8350_GPIO4_MEM_RST_OUT                0x1
  77 #define WM8350_GPIO4_FLASH_IN                   0x2
  78 #define WM8350_GPIO4_ADA_OUT                    0x2
  79 #define WM8350_GPIO4_HIBERNATE_IN               0x3
  80 #define WM8350_GPIO4_FLASH_OUT                  0x3
  81 #define WM8350_GPIO4_MICDET_OUT                 0x4
  82 #define WM8350_GPIO4_MICSHT_OUT                 0x5
  83
  84 #define WM8350_GPIO5_GPIO_IN                    0x0
  85 #define WM8350_GPIO5_GPIO_OUT                   0x0
  86 #define WM8350_GPIO5_LPWR1_IN                   0x1
  87 #define WM8350_GPIO5_P_CLK_OUT                  0x1
  88 #define WM8350_GPIO5_ADCLRCLK_IN                0x2
  89 #define WM8350_GPIO5_ADCLRCLK_OUT               0x2
  90 #define WM8350_GPIO5_HIBERNATE_IN               0x3
  91 #define WM8350_GPIO5_32KHZ_OUT                  0x3
  92 #define WM8350_GPIO5_MICDET_OUT                 0x4
  93 #define WM8350_GPIO5_MICSHT_OUT                 0x5
  94 #define WM8350_GPIO5_ADA_OUT                    0x6
  95 #define WM8350_GPIO5_OPCLK_OUT                  0x7
  96
  97 #define WM8350_GPIO6_GPIO_IN                    0x0
  98 #define WM8350_GPIO6_GPIO_OUT                   0x0
  99 #define WM8350_GPIO6_LPWR2_IN                   0x1
 100 #define WM8350_GPIO6_MEMRST_OUT                 0x1
 101 #define WM8350_GPIO6_FLASH_IN                   0x2
 102 #define WM8350_GPIO6_ADA_OUT                    0x2
 103 #define WM8350_GPIO6_HIBERNATE_IN               0x3
 104 #define WM8350_GPIO6_RTC_OUT                    0x3
 105 #define WM8350_GPIO6_MICDET_OUT                 0x4
 106 #define WM8350_GPIO6_MICSHT_OUT                 0x5
 107 #define WM8350_GPIO6_ADCLRCLKB_OUT              0x6
 108 #define WM8350_GPIO6_SDOUT_OUT                  0x7
 109
 110 #define WM8350_GPIO7_GPIO_IN                    0x0
 111 #define WM8350_GPIO7_GPIO_OUT                   0x0
 112 #define WM8350_GPIO7_LPWR3_IN                   0x1
 113 #define WM8350_GPIO7_P_CLK_OUT                  0x1
 114 #define WM8350_GPIO7_MASK_IN                    0x2
 115 #define WM8350_GPIO7_VCC_FAULT_OUT              0x2
 116 #define WM8350_GPIO7_HIBERNATE_IN               0x3
 117 #define WM8350_GPIO7_BATT_FAULT_OUT             0x3
 118 #define WM8350_GPIO7_MICDET_OUT                 0x4
 119 #define WM8350_GPIO7_MICSHT_OUT                 0x5
 120 #define WM8350_GPIO7_ADA_OUT                    0x6
 121 #define WM8350_GPIO7_CSB_IN                     0x7
 122
 123 #define WM8350_GPIO8_GPIO_IN                    0x0
 124 #define WM8350_GPIO8_GPIO_OUT                   0x0
 125 #define WM8350_GPIO8_MR_IN                      0x1
 126 #define WM8350_GPIO8_VCC_FAULT_OUT              0x1
 127 #define WM8350_GPIO8_ADCBCLK_IN                 0x2
 128 #define WM8350_GPIO8_ADCBCLK_OUT                0x2
 129 #define WM8350_GPIO8_PWR_OFF_IN                 0x3
 130 #define WM8350_GPIO8_BATT_FAULT_OUT             0x3
 131 #define WM8350_GPIO8_ALTSCL_IN                  0xf
 132
 133 #define WM8350_GPIO9_GPIO_IN                    0x0
 134 #define WM8350_GPIO9_GPIO_OUT                   0x0
 135 #define WM8350_GPIO9_HEARTBEAT_IN               0x1
 136 #define WM8350_GPIO9_VCC_FAULT_OUT              0x1
 137 #define WM8350_GPIO9_MASK_IN                    0x2
 138 #define WM8350_GPIO9_LINE_GT_BATT_OUT           0x2
 139 #define WM8350_GPIO9_PWR_OFF_IN                 0x3
 140 #define WM8350_GPIO9_BATT_FAULT_OUT             0x3
 141 #define WM8350_GPIO9_ALTSDA_OUT                 0xf
 142
 143 #define WM8350_GPIO10_GPIO_IN                   0x0
 144 #define WM8350_GPIO10_GPIO_OUT                  0x0
 145 #define WM8350_GPIO10_ISINKC_OUT                0x1
 146 #define WM8350_GPIO10_PWR_OFF_IN                0x2
 147 #define WM8350_GPIO10_LINE_GT_BATT_OUT          0x2
 148 #define WM8350_GPIO10_CHD_IND_IN                0x3
 149
 150 #define WM8350_GPIO11_GPIO_IN                   0x0
 151 #define WM8350_GPIO11_GPIO_OUT                  0x0
 152 #define WM8350_GPIO11_ISINKD_OUT                0x1
 153 #define WM8350_GPIO11_WAKEUP_IN                 0x2
 154 #define WM8350_GPIO11_LINE_GT_BATT_OUT          0x2
 155 #define WM8350_GPIO11_CHD_IND_IN                0x3
 156
 157 #define WM8350_GPIO12_GPIO_IN                   0x0
 158 #define WM8350_GPIO12_GPIO_OUT                  0x0
 159 #define WM8350_GPIO12_ISINKE_OUT                0x1
 160 #define WM8350_GPIO12_LINE_GT_BATT_OUT          0x2
 161 #define WM8350_GPIO12_LINE_EN_OUT               0x3
 162 #define WM8350_GPIO12_32KHZ_OUT                 0x4
 163
 164 #define WM8350_GPIO_DIR_IN                      0
 165 #define WM8350_GPIO_DIR_OUT                     1
 166 #define WM8350_GPIO_ACTIVE_LOW                  0
 167 #define WM8350_GPIO_ACTIVE_HIGH                 1
 168 #define WM8350_GPIO_PULL_NONE                   0
 169 #define WM8350_GPIO_PULL_UP                     1
 170 #define WM8350_GPIO_PULL_DOWN                   2
 171 #define WM8350_GPIO_INVERT_OFF                  0
 172 #define WM8350_GPIO_INVERT_ON                   1
 173 #define WM8350_GPIO_DEBOUNCE_OFF                0
 174 #define WM8350_GPIO_DEBOUNCE_ON                 1
 175
 176 /*
 177  * R30 (0x1E) - GPIO Interrupt Status
 178  */
 179 #define WM8350_GP12_EINT                        0x1000
 180 #define WM8350_GP11_EINT                        0x0800
 181 #define WM8350_GP10_EINT                        0x0400
 182 #define WM8350_GP9_EINT                         0x0200
 183 #define WM8350_GP8_EINT                         0x0100
 184 #define WM8350_GP7_EINT                         0x0080
 185 #define WM8350_GP6_EINT                         0x0040
 186 #define WM8350_GP5_EINT                         0x0020
 187 #define WM8350_GP4_EINT                         0x0010
 188 #define WM8350_GP3_EINT                         0x0008
 189 #define WM8350_GP2_EINT                         0x0004
 190 #define WM8350_GP1_EINT                         0x0002
 191 #define WM8350_GP0_EINT                         0x0001
 192
 193
 194 /*
 195  * R128 (0x80) - GPIO Debounce
 196  */
 197 #define WM8350_GP12_DB                          0x1000
 198 #define WM8350_GP11_DB                          0x0800
 199 #define WM8350_GP10_DB                          0x0400
 200 #define WM8350_GP9_DB                           0x0200
 201 #define WM8350_GP8_DB                           0x0100
 202 #define WM8350_GP7_DB                           0x0080
 203 #define WM8350_GP6_DB                           0x0040
 204 #define WM8350_GP5_DB                           0x0020
 205 #define WM8350_GP4_DB                           0x0010
 206 #define WM8350_GP3_DB                           0x0008
 207 #define WM8350_GP2_DB                           0x0004
 208 #define WM8350_GP1_DB                           0x0002
 209 #define WM8350_GP0_DB                           0x0001
 210
 211 /*
 212  * R129 (0x81) - GPIO Pin pull up Control
 213  */
 214 #define WM8350_GP12_PU                          0x1000
 215 #define WM8350_GP11_PU                          0x0800
 216 #define WM8350_GP10_PU                          0x0400
 217 #define WM8350_GP9_PU                           0x0200
 218 #define WM8350_GP8_PU                           0x0100
 219 #define WM8350_GP7_PU                           0x0080
 220 #define WM8350_GP6_PU                           0x0040
 221 #define WM8350_GP5_PU                           0x0020
 222 #define WM8350_GP4_PU                           0x0010
 223 #define WM8350_GP3_PU                           0x0008
 224 #define WM8350_GP2_PU                           0x0004
 225 #define WM8350_GP1_PU                           0x0002
 226 #define WM8350_GP0_PU                           0x0001
 227
 228 /*
 229  * R130 (0x82) - GPIO Pull down Control
 230  */
 231 #define WM8350_GP12_PD                          0x1000
 232 #define WM8350_GP11_PD                          0x0800
 233 #define WM8350_GP10_PD                          0x0400
 234 #define WM8350_GP9_PD                           0x0200
 235 #define WM8350_GP8_PD                           0x0100
 236 #define WM8350_GP7_PD                           0x0080
 237 #define WM8350_GP6_PD                           0x0040
 238 #define WM8350_GP5_PD                           0x0020
 239 #define WM8350_GP4_PD                           0x0010
 240 #define WM8350_GP3_PD                           0x0008
 241 #define WM8350_GP2_PD                           0x0004
 242 #define WM8350_GP1_PD                           0x0002
 243 #define WM8350_GP0_PD                           0x0001
 244
 245 /*
 246  * R131 (0x83) - GPIO Interrupt Mode
 247  */
 248 #define WM8350_GP12_INTMODE                     0x1000
 249 #define WM8350_GP11_INTMODE                     0x0800
 250 #define WM8350_GP10_INTMODE                     0x0400
 251 #define WM8350_GP9_INTMODE                      0x0200
 252 #define WM8350_GP8_INTMODE                      0x0100
 253 #define WM8350_GP7_INTMODE                      0x0080
 254 #define WM8350_GP6_INTMODE                      0x0040
 255 #define WM8350_GP5_INTMODE                      0x0020
 256 #define WM8350_GP4_INTMODE                      0x0010
 257 #define WM8350_GP3_INTMODE                      0x0008
 258 #define WM8350_GP2_INTMODE                      0x0004
 259 #define WM8350_GP1_INTMODE                      0x0002
 260 #define WM8350_GP0_INTMODE                      0x0001
 261
 262 /*
 263  * R133 (0x85) - GPIO Control
 264  */
 265 #define WM8350_GP_DBTIME_MASK                   0x00C0
 266
 267 /*
 268  * R134 (0x86) - GPIO Configuration (i/o)
 269  */
 270 #define WM8350_GP12_DIR                         0x1000
 271 #define WM8350_GP11_DIR                         0x0800
 272 #define WM8350_GP10_DIR                         0x0400
 273 #define WM8350_GP9_DIR                          0x0200
 274 #define WM8350_GP8_DIR                          0x0100
 275 #define WM8350_GP7_DIR                          0x0080
 276 #define WM8350_GP6_DIR                          0x0040
 277 #define WM8350_GP5_DIR                          0x0020
 278 #define WM8350_GP4_DIR                          0x0010
 279 #define WM8350_GP3_DIR                          0x0008
 280 #define WM8350_GP2_DIR                          0x0004
 281 #define WM8350_GP1_DIR                          0x0002
 282 #define WM8350_GP0_DIR                          0x0001
 283
 284 /*
 285  * R135 (0x87) - GPIO Pin Polarity / Type
 286  */
 287 #define WM8350_GP12_CFG                         0x1000
 288 #define WM8350_GP11_CFG                         0x0800
 289 #define WM8350_GP10_CFG                         0x0400
 290 #define WM8350_GP9_CFG                          0x0200
 291 #define WM8350_GP8_CFG                          0x0100
 292 #define WM8350_GP7_CFG                          0x0080
 293 #define WM8350_GP6_CFG                          0x0040
 294 #define WM8350_GP5_CFG                          0x0020
 295 #define WM8350_GP4_CFG                          0x0010
 296 #define WM8350_GP3_CFG                          0x0008
 297 #define WM8350_GP2_CFG                          0x0004
 298 #define WM8350_GP1_CFG                          0x0002
 299 #define WM8350_GP0_CFG                          0x0001
 300
 301 /*
 302  * R140 (0x8C) - GPIO Function Select 1
 303  */
 304 #define WM8350_GP3_FN_MASK                      0xF000
 305 #define WM8350_GP2_FN_MASK                      0x0F00
 306 #define WM8350_GP1_FN_MASK                      0x00F0
 307 #define WM8350_GP0_FN_MASK                      0x000F
 308
 309 /*
 310  * R141 (0x8D) - GPIO Function Select 2
 311  */
 312 #define WM8350_GP7_FN_MASK                      0xF000
 313 #define WM8350_GP6_FN_MASK                      0x0F00
 314 #define WM8350_GP5_FN_MASK                      0x00F0
 315 #define WM8350_GP4_FN_MASK                      0x000F
 316
 317 /*
 318  * R142 (0x8E) - GPIO Function Select 3
 319  */
 320 #define WM8350_GP11_FN_MASK                     0xF000
 321 #define WM8350_GP10_FN_MASK                     0x0F00
 322 #define WM8350_GP9_FN_MASK                      0x00F0
 323 #define WM8350_GP8_FN_MASK                      0x000F
 324
 325 /*
 326  * R143 (0x8F) - GPIO Function Select 4
 327  */
 328 #define WM8350_GP12_FN_MASK                     0x000F
 329
 330 /*
 331  * R230 (0xE6) - GPIO Pin Status
 332  */
 333 #define WM8350_GP12_LVL                         0x1000
 334 #define WM8350_GP11_LVL                         0x0800
 335 #define WM8350_GP10_LVL                         0x0400
 336 #define WM8350_GP9_LVL                          0x0200
 337 #define WM8350_GP8_LVL                          0x0100
 338 #define WM8350_GP7_LVL                          0x0080
 339 #define WM8350_GP6_LVL                          0x0040
 340 #define WM8350_GP5_LVL                          0x0020
 341 #define WM8350_GP4_LVL                          0x0010
 342 #define WM8350_GP3_LVL                          0x0008
 343 #define WM8350_GP2_LVL                          0x0004
 344 #define WM8350_GP1_LVL                          0x0002
 345 #define WM8350_GP0_LVL                          0x0001
 346
 347 struct wm8350;
 348
 349 int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func,
 350                        int pol, int pull, int invert, int debounce);
 351
 352 struct wm8350_gpio {
 353         struct platform_device *pdev;
 354 };
 355
 356 /*
 357  * GPIO Interrupts
 358  */
 359 #define WM8350_IRQ_GPIO(x)                      (50 + x)
 360
 361 #endif